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(compare_strings): Check for null pointers.

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From-SVN: r6014
This commit is contained in:
Richard Stallman 1993-11-05 20:32:06 +00:00
parent c35a847ec5
commit 6c8747b19a
1 changed files with 6 additions and 1 deletions
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7
gcc/objc/hash.h
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@ -193,7 +193,12 @@ compare_ptrs (const void *k1, const void *k2)
static inline int static inline int
compare_strings (const void *k1, const void *k2) compare_strings (const void *k1, const void *k2)
{ {
return !strcmp (k1, k2); if (k1 == k2)
return 1;
else if (k1 == 0 || k2 == 0)
return 0;
else
return !strcmp (k1, k2);
} }